The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 2025
Filed:
Oct. 30, 2023
Kioxia Corporation, Tokyo, JP;
Jumpei Sato, Kawasaki Kanagawa, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
A semiconductor memory device includes a memory array provided above a substrate in a first direction intersecting a surface of the substrate. A first peripheral circuit is provided between the substrate and the memory array. A second peripheral circuit is provided between the substrate and the memory array and apart from the first peripheral circuit in a second direction parallel to the surface of the substrate. A sense amplifier is provided between the substrate and the memory array and between the first and second peripheral circuits, and a word line switch circuit extending in the second direction is also provided. A length of the second peripheral circuit in the second direction is smaller than half of a length of the sense amplifier in the second direction.